Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]

NXX: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-291 A Rockford WA RCFRWAXBRS0  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-291 3 Rockford WA RCFRWAXBRS0  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-291 4 Rockford WA RCFRWAXBRS0  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-291 7 Rockford WA RCFRWAXBRS0  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-291 8 Rockford WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2013-12-30   
509-291 9 Rockford WA   145J TERRA NOVA TELECOM INC. 676   2025-07-19   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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